Nightmare Penguin is a Level 4 WATER Aqua Effect Monster card from the 2012 Realm of the Sea Emperor Structure Deck, identified by card number SDRE-EN017.
2012 • Yu-Gi-Oh! • Realm of the Sea Emperor Structure Deck
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| Condition | Value | Source | Trend | Price Details |
|---|---|---|---|---|
$1.41 | Guide Estimate | 0% | ||
Raw / Ungraded
TCGplayer Market (reference) · Guide Estimate evidence · captured Sep 30, 2026
Nightmare Penguin (SDRE-EN017) is a Level 4 WATER Aqua Effect Monster featured in the Yu-Gi-Oh! Realm of the Sea Emperor Structure Deck, released in 2012. As a Common rarity card within this set code, SDRE, it serves as a foundational piece for collectors building their understanding of the game's aquatic archetypes. The card belongs to the Penguin archetype, highlighting a unique niche within the broader WATER attribute category that defines its strategic identity. For dedicated Yu-Gi-Oh! Collectors, this card represents a tangible connection to the 2012 era of structured gameplay. Structure decks like Realm of the Sea Emperor are designed to introduce players to specific themes, and Nightmare Penguin stands as a key component of that Penguin-focused strategy. Collectors often seek out these structure deck cards to complete set collections or to understand the evolution of monster effects during this period of the game's history. The card's design and mechanics reflect the creative direction of the Realm of the Sea Emperor release, offering a distinct experience for those who appreciate the depth of Yu-Gi-Oh! Card design. Whether you are a veteran player looking to complete a category of cards or a new collector exploring the game's rich lore, Nightmare Penguin offers a valuable addition to any collection. Its status as a Common card makes it accessible, allowing enthusiasts to focus on the broader context of the set rather than scarcity alone. By focusing on the identity and context of cards like Nightmare Penguin, collectors can build a comprehensive library that honors the game's history. This card remains an essential reference point for anyone studying the Penguin archetype or the Realm of the Sea Emperor Structure Deck.
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The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
The core identity of the card within the set.
The subject, team, league, and sport context tied to this card.
Featured
Nightmare Penguin
Game
Yu-Gi-Oh!
Rarity, print treatment, and game-specific stats for this card.
Common
Card Stock
English
Water
Aqua
4
900 / 1800
Penguin
Abilities, attacks, oracle text, and flavor text printed on the card.
All face-up WATER monsters you control gain 200 ATK. When this card is flipped face-up: Target 1 card your opponent controls; return that target to the hand.
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